@article {140,
	title = {Annual reproductive cycle of two Japanese species of sipunculans: Siphonosoma cumanense (Sipunculidae) and Phascolosoma scolops, Phascolosomatidae)},
	journal = {Pacific Science},
	volume = {48},
	number = {2},
	year = {1994},
	note = {ABST: ANN. REP. CYC. OF 2 SIPS, S.C. \& P.S. WERE STUDIED BASED ON SIZE, DENSITY \& FREQ. DIST. OF GAMATES FROM MAY 89 TO NOV. 90 AND OCT. 89 TO FEB 91 RESPECTIVELY. ALIQUOTS FROM THE TOTAL VOL. OF THE DILUTED COELOMIC FLIUD FROM EACH IND. WERE ANALYZED. COEL. OOCYTES OF S.C. SHOWED A SLOW GROWTH RATE, I.E. 3UM/MNTH FROM DEC > AP \& ACCELERATED RATE OBS. FROM MAY>JULY. NO OOCYTES WERE ENCOUNTERD FROM SEPT>DEC. SUGGESTING THAT SPAWNING OCCURS FRM JULY>AUG. SPERM CLUSTERS WERE ENCOUNTERD FRM MAY>AUG. W{\textquoteright} PEAKS IN JUNE \& JULY. IN CONTRAST OOCYTES \& SPRM CL. OF P.S. WERE PRESENT THRUOUT THE YEAR. FRM JAN>MAR SML OOCYTES GREW AT AN AVER. RT. OF 10UM/MONT. OOCYTES SHOWED RAPID GRTH TIL JULY. SMALLER OOCY TES NOTED THEREAFTER INDICATING SUMMER SPAWNING. FLUCTUATION OF SP.CL.. DENSITY SHOWED PATTERN SIMIL. TO OOCYTES. BOTH SPP SHOWED 2 MAJOR PEAKS IN GAMETES DENSITY, 1 DURING OOCYTE PROLIF. AND 1 BEFORE SPAWING. STAGES OF GAM{\textquoteright}GENESIS IN BOTH SPP ARE DESCRIBED. YAMAMOTO{\textquoteright}S ADDR. USHIMADO MAR. LAB. , OKAYAMA UNIV. USHIMADO, OKAYAMA, JAPAN},
	pages = {145-157},
	chapter = {145},
	keywords = {breeding cycle, reproduction},
	author = {Catalan, M. A. B. and Yamamoto, M.}
}
@inbook {527,
	title = {Comparative observations of gametes, fertilization, and maturation in sipunculans},
	booktitle = {Reproduction, genetics and distributions of marine invertebrates. 23rd European marine biology symposium},
	year = {1989},
	note = {CHARTS \& FIGURES, LOTS; LITE, SEM, TEM, OF EGGS / ENVELOPES / SPERM..FERTILIZATION.. FUSION OF PRONUCL.. ABST: A REV OF CHAR. FEATURES OF SIP EGGS SHOW SIGNIF RELATIONSHIP BETWEEN EGG SIZE AND DEVEL MODE BUT NO SIGNIF BETW EGG SIZE \& ADULT SIZE OR OF DEVEL. MODE \& SIZE OF ADULT. SPECIF VARIATION OF EGGS... VARIAT OF SHAPE SHOW SOME RELATIONSHIP TO HIGHER TAX. CLASSIF.; OVOID EGGS RESTRICTED TO FAMIL ASP \& PHAS. SIP SPERM OF PRIMATIVE TIPE; SP PENET BY HOLE IN EGG ENVEL; INTRO: DATA ON EGGS \& SPERMS; FERTIL \& MATURATION;},
	pages = {167-182},
	publisher = {Olsen \& Olsen},
	organization = {Olsen \& Olsen},
	address = {Fredensborg},
	keywords = {fertilization, gametes, reproduction},
	author = {Rice, M. E.},
	editor = {Ryland, J. S. and Tyler, P. A.}
}
@inbook {526,
	title = {Sipuncula},
	booktitle = {Reproductive biology of invertebrates},
	year = {1988},
	note = {GENERAL REHASH.. CONCLUSIONS; SIPS SMALL PHYLUM HAVE EXPLOITED WIDE VAR. OF PATHWAYS; 2 EXTREMES - PROLONGED LECITHO. DEVEL W NO PELAG. STAGE; OTHER LONG PLANKTOTROPHIC DEVEL W 2 PELAG STAGES W LONG LIVED OCEANIC LARV. BETWEEN ARE INTERMED MODES W TROCH \& JUVINILE; GOOD QUESTION IS COORELATION BETWE DEVEL. PATT. \& ZOOGEO DIST. OF SPP. OTHER PROBL; REGULATORY MECHAN. GOVERN DEVEL PROCESSES; HORMONAL?? METAMORPH \& SETTLEMENT...; PART 3E; METAM OF PELAGEOSPH..},
	pages = {263-280},
	publisher = {Oxford \& IBH},
	organization = {Oxford \& IBH},
	address = {Kerala},
	keywords = {reproduction},
	author = {Rice, M. E.},
	editor = {Adiyodi, K. G. and Adiyodi, R. G.}
}
@article {532,
	title = {Observations on the ecology and reproduction of the sipunculan Phascolion cryptus in the Indian River Lagoon __________________},
	journal = {Florida Scientist},
	volume = {46},
	number = {3/4},
	year = {1983},
	note = {@ MOST ABUNDANT SIP IN INDIAN RIVER LAGOON - P{\textquoteright}LION CRYPTUS - MONTHLY BASIS FROM JUNE 76-MAY 77. LIVE IN EMPTY GASTRO SHELLS IN SHALLOW WATER IN DENSITY OF 667-3,856/M2 9KM NORTH OF FORT P INLET. COMMON IN SHELLS OF 5 SPP... REPRO ACTIV ESTIMATED BY STAGE OF COELOMIC GAMETES \& SPAWNING IN THE LAB. REPRODUCTIVE THRU THE YEAR WITH TREND FOR HIGHER ACTIVITY NOV-MAY. JUVIN WERE 37-58\% OF POPUL IN WINTER, SPRING \& SUMMER, DOWN TO 16\% IN FALL.},
	pages = {382-396},
	keywords = {ecology, p{\textquoteright}lion cryptus, reproduction},
	author = {Rice, M. E. and Piraino, J. and Reichardt, H. F.}
}
@article {507,
	title = {Asexual reproduction in a sipunculan worm},
	journal = {Science},
	volume = {167},
	year = {1970},
	note = {@ HAVE THIS HERE IF NEED MORE DETAIL ON PROCESS A.B. REPRO ASEX{\textquoteright}LY BY TRANSVERSE VISSION INTO TWO UNEQUAL PARTS, THE SMALLER PART COMPRISING THE POSTERIOR FIFTH OF THE ANIMAL. PRIOR TO FISSION EACH PART REGENERATES THE STRUCTURES ESSENTIAL TO THE GENERATION OF A NEW INDIV. THE SMALLER POSTERIOR (DAUGHTER) PART REGENERATES AN ANTERIOR BODY, INCLUDING INTROVERT, ANTERIOR GUT, RETRACTOR MUSCLES, AND NEPHRIDIA, WHEREAS THE LARGER ANTERIOR PART (PARENT) REGENERATES ONLY THE POSTERIOR BODY WALL.},
	pages = {1618-1620},
	keywords = {asexual, reproduction},
	author = {Rice, M. E.}
}
